I'm not a yaker, and sure some one more knowledgable will chime in so with that said here ya go,,
I do believe that launching a yak from the surf on the ocean side is a nogo. You can launch on the bay side.
Kayak hotspot is bay side of parking lot 21. There is a windmill there and a decent rest room. There is a road leading to the bayside that you can drop your yak off then park at the lot by windmill. Most yakers i believe stroll around the sedge islands.
There is also a walk at area 7 but you would have to hump the yak and gear down that one with no drop off, and a good distance from the sedges.